Current conditions and forecasts including 7 day outlook, daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill (when applicable), normals, and sunrise/sunset ti...

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Environment Canada has introduced a new extreme weather alert system designed to improve precision in warning dissemination. The system allows meteorologists to draw polygons over specific areas affected by severe weather, replacing the previous zone-based alerts that often led to 'alert fatigue.' Giselle Dookhie, an emergency preparedness meteorologist with Environment Canada, explained that this targeted approach reduces unnecessary warnings for unaffected regions. The change aims to ensure Canadians receive timely and relevant alerts, encouraging them to take warnings seriously. While the color-coded warning system will remain in place during a transition period, the new polygon method offers greater accuracy and efficiency. Meteorologists like Anthony Farnell believe this update, inspired by systems used in the U.S. for 16 years, could significantly enhance severe weather preparedness in Canada. The shift reflects a commitment to reducing public desensitization to alerts while improving safety outcomes during extreme weather events.

When severe weather threatens, Environment Canada issues alerts that notify those in affected areas in British Columbia so that they can take steps to protect themselves and their property from harm. ...

An orange-level air quality warning remained in effect for Toronto on Wednesday night due to heavy smoke conditions from wildfires.

Stay safe, Hamilton: the city is currently under air quality warning as a wildfire in Northwestern Ontario sends smoke moving into other nearby areas of the

Temperature records are forecast to melt away today as five provinces and one territory sit under Environment Canada weather alerts warning of extreme heat or ensuing storms.

Environment Canada has issued heat warnings across four provinces—Saskatchewan, Manitoba, Ontario, and Quebec—as dangerously high temperatures and humidity are expected. The warning areas include southern and central Manitoba, most of Ontario, and parts of Saskatchewan and Quebec. Temperatures are projected to reach mid-40s Celsius, with humidity creating oppressive conditions. Heat exhaustion and health risks are highlighted, particularly for vulnerable populations. The orange alerts indicate conditions likely to cause significant disruption, while yellow alerts suggest potential for health impacts. Thunder Bay, Ontario, is forecasted to hit 38°C, with record temperatures already breaking in Manitoba. The heatwave coincides with deteriorating air quality due to wildfire smoke, prompting authorities to recommend cooling centers, hydration, and avoiding peak heat hours. Environment Canada urges residents to monitor for signs of heat exhaustion and to seek medical help for heat stroke. Municipalities like Toronto and Winnipeg are opening public cooling spaces, while the city of Toronto emphasizes water stations and shaded areas. The situation underscores ongoing climate challenges, with experts linking the extreme weather to broader climate trends.